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• Ubuntu server boot degraded raid

  - by beacon_bonanza

  I've installed Ubuntu 12.04.1 in a new server and set up the 4 hard drives with 3 RAID 1 devices, the configuration is such that the first two drives have md0 (swap space) and md1 (/) with the third and fourth drives having md2 (/var). I've been testing the operation under a drive failure and found that the system boots fine if I remove disk two but if I remove disk one then the system gets to grub and then just restarts. I'm confused as to why grub appears to be loading properly from disk two but then the boot fails.

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• Configure server on network to analyze traffic

  - by Strajan Sebastian

  I have the following network: http://i.stack.imgur.com/rapkH.jpg I want to send all the traffic from the devices that connect to the 192.168.0.1 router to the 192.168.10.1 router(and eventually to the Internet), by passing through the server and an additional router. Almost 2 days have passed and I can't figure what is wrong. While searching on the Internet for some similar configuration I found some articles that are somehow related to my needs, but the proposed solutions don't seem to work for me. This is a similar article: iptables forwarding between two interface I done the following steps for the configuration process: Set static IP address 192.168.1.90 for the eth0 on the server from the 192.168.1.1 router Set static IP address 192.168.0.90 for the eth1 on the server from the 192.168.0.1 router Forwarded all the traffic from 192.168.0.1 router to the server on eth1 interface witch seems to be working. The router firmware has some option to redirect all the traffic from all the ports to a specified address. Added the following rules on the server(Only the following, there aren't any additional rules): iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE iptables -A FORWARD -i eth1 -o eth0 -m state -–state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT I also tried changing iptables -A FORWARD -i eth1 -o eth0 -m state -–state RELATED,ESTABLISHED -j ACCEPT into iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT but still is not working. After adding the following to enable the packet forwarding for the server that is running CentOS: echo 1 /proc/sys/net/ipv4/ip_forward sysctl -w net.ipv4.ip_forward = 1 After a server restart and extra an extra check to see that all the configuration from above are still available I tried to see again if I can ping from a computer connected to 192.168.0.1/24 LAN the router from 192.168.1.1 but it didn't worked. The server has tshark(console wireshark) installed and I found that while sending a ping from a computer connected to 192.168.0.1 router to 192.168.1.1 the 192.168.0.90(eth1) receives the ping but it doesn't forward it to the eth0 interface as the rule tells: iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT and don't now why this is happening. Questions: The iptables seem that don't work as I am expecting. Is there a need to add in the NAT table from iptables rules to redirect the traffic to the proper location, or is something else wrong with what I've done? I want to use tshark to view the traffic on the server because I think that is the best at doing this. Do you know something better that tshark to capture the traffic and maybe analyze it?

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• var/www/ permissions

  - by mk_89

  I have purchases a server today and I am almost through configuring it, I have managed to install mysql and have enabled a firewall which allows access to ports 80, 22 and 443 I am trying to test out a simple php file to see whether all is well but I get a 404 Not found error, I am certain that this file exists which was created using vi as I have confirmed it using Filezilla. What am I missing? is there another step that I must take to allow a simple php file to work.

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• Simple, current how-to install mod-security on cPanel server?

  - by linux911

  Does anyone have or know of a simple, up to date how to for installing mod-security on cPanel and configuring it after install? Every how to on the web I've found is at least two years old and is based on a mod-security addon function in cPanel which doesn't exist anymore. There are a couple of free add ons to simplify selecting rule files (configserver's for example) but there's no documentation on which rules a cPanel system "should" be using and so on.

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• Automatically sync directories via FTP during off hours?

  - by jason

  I would like COMPUTER_A to sync anything found in a specific directory, with my FTP server, COMPUTER_B, but only during off hours. I would like it to automatically resume if the computer is rebooted. I use FileZilla now, but it will not automatically continue transferring when the computer is restarted. I also do not think that you can set the times for the transfers, with FileZilla.

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• Access Derby for CDP Server

  - by Skudd

  I am working on a project that requires accessing the Derby database behind a CDP Backup Server. From what limited research I've been able to complete, I have found that it is possible to access Derby databases over TCP, but I'm at a complete loss for this. I'm looking to connect via PHP eventually, but first I need to know if this is at all possible with an out-of-the-box CDP server. Answers are, as always, appreciated. Thanks!

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• How can I create "My Computer" toolbar at the top of the Desktop in Windows 7?

  - by user8875

  In previous versions of Windows, I have been able to "drag and drop" the My Computer icon to the top or sides of the desktop and convert it into a toolbar. The toolbar could be set "always on top" or "autohide". I found this a very convenient way to have instant access to all my drives with NO clicks. Windows 7 does not appear to have this functionality. Is there any way to recreate a My Computer toolbar at the top of the Desktop in Windows 7?

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• Are there any known issues with Windows-8 installed on a VHD?

  - by Richard

  I installed Windows 8 preview on a VHD image and it seemed to work until I actually started using it. I´m seeing terrible performance. Installing anything makes everything else "stutter" or freeze for up to a couple of seconds at a time. I looked up hard disk performance in the task manager and this is what I found: It doesn't seem right it has 2500ms response time while reading/writing at those speeds. Is this an issue with my drive, installation or VHDs in general?

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• How to decrease size of KVM virtual machine disk image

  - by Cerin

  How do you decrease or shrink the size of a KVM virtual machine disk? I allocated a virtual disk of 500GB (stored at /var/lib/libvirt/images/vm1.img), and I'm finding that overkill, so now I'd like to free up some of that space for use with other virtual machines. There seems to be a lot answers on how to increase image storage, but not decrease it. I found the virt-resize tool, but it only seems to work with raw disk partitions, not disk images.

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• How can I change the connection timeout setting in Firefox?

  - by gylns

  When I load a page which can't be connected for some reasons, before Firefox shows the error "The connection has timed out", I will wait for about three minutes. I want change the Firefox connection timeout value to 20 seconds. I found something here http://stackoverflow.com/questions/1342310/where-can-i-find-the-default-timeout-settings-for-all-browsers, but it doesn't mention how to set the connection timeout value, please help!

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• Can't locate API module structure `mod_wsgi'

  - by a coder

  I'm working on setting up Trac to use wsgi, and am running into trouble getting mod_wsgi working. I downloaded and installed mod_sgi. [box]# apachectl configtest httpd: Syntax error on line 214 of /etc/httpd/conf/httpd.conf: Can't locate API module structure `mod_wsgi' in file /etc/httpd/modules/mod_wsgi.so: /etc/httpd/modules/mod_wsgi.so: undefined symbol: mod_wsgi Line 214 of httpd.conf: LoadModule mod_wsgi modules/mod_wsgi.so Here is mod_wsgi.so as found on the filesystem: [box]# locate mod_wsgi.so /usr/lib64/httpd/modules/mod_wsgi.so What might I be overlooking?

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• Word caption style

  - by Theodor

  This should be a common problem for anyone involved in technical writing. When you insert an image (or table etc.) caption in Word, you get this dialog. You enter your caption, in this case "A happy bicycle" (in yellow). This might be fine for a happy bicycle, but I want to have captions that have one style for the "enumeration" and one style for the description, as such: I have tried searching for this but I haven't found anything yet...

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• (Why) are IEC C5/C6 connectors a necessity? Why not use C13/C14?

  - by Mike

  That's a question I was asking myself the first time I saw such a weird C5 plug. That was a while ago, but I came across it again and haven't found an answer yet. The only thing I could find out is that C5 is with 2.5A and C13 with 10A. But I guess it would technically be no problem building an AC adapter (e.g. for laptops) in which you plug the far more common C13 connector. http://en.wikipedia.org/wiki/IEC_connector

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• Virtual Memory and SSD

  - by Zombian

  While studying for the A+ Exam I was reading about SSD's and I thought to myself that if you had a mobo with a low RAM limit you could use a dedicated SSD purely for Virtual RAM. I looked up some info on line and the info I found said that this was a poor practice but didn't explain why. Why shouldn't SSD's be used for Virtual Memory and what are your thoughts on a dedicated Virtual Memory drive? Thank you!

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• Where is the Fixedsys font in Vista?

  - by Philipp Lenssen

  I'm trying to locate the font Fixedsys in Windows Vista. I understand it's a hidden system font? My main goal at the end of the day is to get Google Chrome to display Fixedsys (should the CSS file ask for it), and the TrueType replacements I found so far don't look the same... Thanks!

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• How can I change my default Outlook account ?

  - by user596509

  I am trying to remove my current email account from outlook and add another one I clicked on toolsaccount settings then removed my current account(gmail account) from the list of emails Then I clicked on new and add my new account (hotmail account), but no messages loads from my new account and my old messages from the old email still there under personal folders! Then I click on tools account settings data files and found personal folder as a defult file I tryed to remove it but I cant then I tried to set my new account as default but it didnt work

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• mod_pagespeed using up too many resources?

  - by OC2PS

  I have found several threads from 2010 and early-2011 talking about excessive resource usage by mod_pagespeed I haven't seen any recent ones. I am facing excessive memory usage, which is causing server to crash several times a day. I am wondering if the issue was ever fixed before mod_pagespeed 1.0 was released. Also, request any tips and suggestion on how to fix the issue. My server configuration: 4 quad-core processors (likely oversold) 3GB memory Xen Centos 6 64-bit Apache cPanel PHP mySQL

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• How to disable automatic and forced fsck on disks in a linux software raid?

  - by mit

  This is the /etc/fstab entry of a raid system /dev/md4 that is controlled with mdadm and webmin on an ubuntu 10.04 64 server: /dev/md4 /mnt/md4 ext3 relatime 0 0 We tried to switch off automatic forced fsck on rebotts, as we prefer to implement our own scheduled fsck routine by setting the last parameter of the line to 0 (ZERO). But we found out the forced and automatic check still occurs on the underlying real disks, lets say sdb1 and sdc1. How can we switch that off?

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• Development stopped: Is truecrypt unsecure?

  - by Alex Mantel

  I was looking for truecrypt today and found this: http://truecrypt.sourceforge.net/ The page layout changed and claims "truecrypt is unsecure". Futher: "The development of TrueCrypt was ended in 5/2014 after Microsoft terminated support of Windows XP" My Questions: What are the risks for still using truecrypt? Will there be any fork of truecrypt? Is Windows "BitLocker" trustable? Is the reason why the development stopped reliable? Which independent alternatives are there for Linux, MacOS and Windows?

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• How does Windows 7 detect my switches?

  - by Daniel

  I notices in the Network overview of Windows 7 that my switches are found on the path to the gateway, which baffled me completely. The last time I checked they just took the ethernet packages and transported them to the "right" location. How does this switch detection work? Do switches alter the packages? Do they react on ICMP messages?

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• How to set my custom template(*.oft) as a default template in outlook 2007?

  - by metal gear solid

  Hi each, I've searched on google but not found a solution to my query, which is as follows. I alredy created the template, but I don't know how to make it for it to appear every time I press "NEW" since the template will be the same for all my messages. Thanks in advance.

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• can anyone recommend any styles for Stylish (the firefox extension) ?

  - by megafish

  Has anyone else who uses this extension to make browsing less harsh on the eye, found/created any good styles? in particular for darkening the screen

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• Canonical configuration for multiple-instance Postfix?

  - by threecheeseopera

  I recently attempted to reconfigure an existing single-instance Postfix server (multi-homed) to support multiple MTA instances, but failed miserably (read: open relay, nastygram from ISP). It appears that there are several methods that can be used to accomplish this, and the various (and numerous) secondary sources that I found online were 'all over the map' with respect to which they used/glued together. Can anyone provide a working configuration (or tips) that use postmulti to manage a multi-instance Postfix setup?

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• Slow down individual connections passing through a Linux router?

  - by davr

  We have a Linux server acting as a router/firewall for our office. Occasionally someone will upload a large file that takes up all our bandwidth. I don't want to implement any complex rules or traffic shaping, but I'm wondering if there is a way to slow down a single connection on the spot? I found tcpnice, but it doesn't slow down the transfers in my testing.

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• Problem install phpmyadmin on amazon ec2?

  - by yoko

  I googled on how to install phpmyadmin on ec2, and i got this syntax: sudo yum install phpmyadmin But i keep getting this: Loaded plugins: fastestmirror, priorities, security Loading mirror speeds from cached hostfile amzn-main | 2.1 kB 00:00 amzn-updates | 2.1 kB 00:00 Setting up Install Process No package phpmyadmin available. Error: Nothing to do I tried to go my website, its not installed. Please help EDIT: My Server OS: Amazon Linux AMI 64 bit I tried: yum install phpmyadmin --enablerepo=development, but still I got this error: Loaded plugins: fastestmirror, priorities, security Error getting repository data for development, repository not found

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